The Transformer,power, cataloged under National Stock Number 5950-00-276-5191, is classified within Federal Supply Class 5950 (Coils and Transformers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Senior Operations Llc Div Senior Aerospace Ketema. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5950-00-276-5191 |
| Primary Part Number | TRA23157 |
| Item Name | Transformer,power |
| FSC / FSG | 5950 / 59 — Coils and Transformers |
| Manufacturer | Senior Operations Llc Div Senior Aerospace Ketema |
| Status | ACTIVE |
| Mounting Facility Quantity | 2 ALL GROUPINGS |
| Inclosure Type | FULLY INCLOSED |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.000 INCHES NOMINAL ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN |
| Input-Output Phase Relationship | SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT |
| Mounting Method | THREADED STUD(S) ALL GROUPINGS |
| Winding Function and Quantity | 1 PRIMARY AND 4 SECONDARY SINGLE COMPONENT |
| Winding Shielding Method | INTERNAL SHIELD BROUGHT OUT TO TERMINAL SINGLE COMPONENT |
| Features Provided | COLOR CODED LEAD |
| Nominal Thread Size | 0.138 INCHES ALL GROUPINGS IN |
| Body Length | 2.480 INCHES NOMINAL IN |
| Reliability Indicator | NOT ESTABLISHED |
| Frequency Rating | 380.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.375 INCHES NOMINAL ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN |
| Winding Operating Voltage | 15.00 AC VOLTS NOMINAL SINGLE COMPONENT SECOND SECONDARY |
| Winding Operating Voltage | 115.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY |
| Winding Operating Voltage | 33.40 AC VOLTS NOMINAL SINGLE COMPONENT THIRD SECONDARY |
| Winding Operating Voltage | 55.00 AC VOLTS NOMINAL SINGLE COMPONENT FOURTH SECONDARY |
| Winding Operating Voltage | 62.00 AC VOLTS NOMINAL SINGLE COMPONENT FIRST SECONDARY |
| Terminal Type and Quantity | 15 WIRE LEAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) ALL GROUPINGS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| TRA23157 PRIMARY | Senior Operations Llc Div Senior Aerospace Ketema (USA) |
NSN 5950-00-276-5191 is a Transformer,power, manufactured by Senior Operations Llc Div Senior Aerospace Ketema, classified under FSC 5950, Coils and Transformers. Status: active.
NSN 5950-00-276-5191 has 1 manufacturer part number on file: TRA23157 (Senior Operations Llc Div Senior Aerospace Ketema).
Key specifications for TRA23157: Overall Height: 2.040 INCHES NOMINAL IN; Mounting Facility Quantity: 2 ALL GROUPINGS; Inclosure Type: FULLY INCLOSED; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.000 INCHES NOMINAL ALL MOUNTING FACILITIES ALL CENTER GROUPINGS IN. 20 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.